Fix macOS Support (#91)

* Disable MetricKit for macOS

* Allow saving to desktop for macOS

* Update CI

* Fix CI

* Fix tests

* Update gems

* Fix CI

* Change back submodule to use HTTP for CI

* Update CI submodule package version

* Fix Danger

* Fix danger package references

* Update CI

* Fix CI

* Speed up CI by disabling the test for testing

* Fix Danger references

* Fix CI

* Update CI

* Update link to SPM package in CI

* Update Danger

* Go back to Swift 5.3

* Improve package definition for Danger

* Restore an old version of Danger

* Fix Danger

* Re-enable test and remove whitespace

* Remove whitespace

.gitmodules

@@ -1,4 +1,4 @@
 [submodule "Submodules/WeTransfer-iOS-CI"]
 	path = Submodules/WeTransfer-iOS-CI
-	url = https://github.com/WeTransfer/WeTransfer-iOS-CI.git
+url=https://github.com/WeTransfer/WeTransfer-iOS-CI.git
 	branch = master